The Geological Society of Africa is announcing available positions within the council

The Geological Society of Africa is announcing available positions within the council.

  Post Eligibility
1 Secretary-General A  practising geoscientist who holds a position that can provide necessary administrative support to enable him to carry out his/her tasks efficiently.
2 Vice-President

Central Africa

A distinguished professional with a record in any field of geoscience based in Central, Africa.
3 Councillor

Central Africa

A professional in any field of geoscience who will assist Vice-President in promoting the activities and addressing the objectives of the Society in their own country and region
4 Honorary Treasurer The Honorary Treasurer

A responsible person, preferably with a geoscience background and fully supportive of the Society’s objectives.

Resident in Ethiopia/Nigeria where our accounts are held

 

  1. All posts are open to competition by qualified members (fully paid-up Members active for at least (4) years)
  1. Elections take place every four (4) years at the General Assembly
  2. Officers are eligible to be re-elected to serve for one further term of four (4) years in the same or a different position.
  3. For consideration, please send your CV and letter of interest to Prof. Gbenga Okunlola (President of GSAf: gbengaokunlola@yahoo.co.uk) and cc to maideyimeck@yahoo.com, pmnude@gmail.com; tamerabualam@yahoo.com. The deadline for showing interest is 10 September 2023.

 

THANK YOU FOR CONSIDERING TO SERVE AFRICA THROUGH GSAF

 

 

29th Colloquium of African Geology – 2 6 2 9 September 2023 | Windhoek, Namibia (CALL FOR ABSTRACTS)

The Geological Survey of Namibia is the principal organizer of the 29th Colloquium of African Geology (CAG29) on behalf of the GSAf, as well as in cooperation with various stakeholders, including the Young Earth Scientists (YES) Network Namibia, the Geoscience Department-University of Namibia, the Geoscience Council of Namibia, the Namibian Hydrogeological Association, and the Department of Mining and Process Engineering-Namibia University of Science and Technology. The Local Organizing Committee (LOC) is quite dynamic and diverse in its composition, with representatives from associations, institutions, mining companies, governmental and non-governmental organizations, and the media.
The Colloquium of African Geology (CAG) is a major biennial meeting organized under the auspices of the Geological Society of Africa (GSAf). Professor W. Q. Kennedy, assisted by Dr. Tom Clifford, convened the very first CAG at the University of Leeds, England, in March 1964. There was a pulse of excitement that electrified the assembled audience from Africa, Europe, North and South America, Australia and New Zealand when Prof. Kennedy announced his new concept of a ‘Pan-African thermo-tectonic event’.
Since then, there have been 28 events, 18 of which were held in Europe, and only 10 in Africa, specifically in South Africa, Ethiopia, Tanzania, Nigeria, Swaziland, Zimbabwe, Morocco(twice), Mozambique and Tunisia.
With the inspiring theme “The earth sciences and Africa’s development: current realities, future projections”, CAG29 will be held at the Safari Hotel Conference Centre, Windhoek, from September 26th to 29th, 2023. At this stage of the organization, the LOC is calling for abstracts.

Download the full call: HERE

Conference website: https://cag29gsaf.org/

 

Call for young geoscience reporters

Are you an enthusiastic and motivated geoscientist committed to our planet and willing to raise awareness of the geological challenges and hazards in your region and/or country? Then, this call is for you!


The International Union of Geological Sciences (IUGS) is the largest and most prestigious geological organization in the world (
https://www.iugs.org/) and we are searching for young amateur reporters that can represent us in outreach activities. You don’t need to have experience reporting news, with a smart phone and a desire to inform the public you can do it.

Your task:
Send short videos (max. 4 minutes) with interesting news about the impact of climate change and natural disasters in your country and/or region (in the case of natural disasters, remember that first and foremost, before reporting the news, you must help the victims).

Send short videos (max. 4 minutes) providing reports on how your country is managing under the stresses of climate change and the energy transition.

Send short videos (max. 4 minutes) where you interview relevant authorities and the public on their views of geoscience and climate change.

Send short essays (onepage written news including photos) on the above issues to be posted on our social media.

You are free to send your news in any of the above formats (video or essays). All incoming news will be verified by an IUGS panel before being published. Since IUGS is committed only to our planet and thus to a better future for mankind, we will not accept news that involve:
Sensitive topics on internal politics of any country

News containing racial, xenophobic or homophobic comments.

We will be selecting a number of young reporters per country and/or region and we will provide you with contacts with key IUGS activities as part of this process. In addition, you will receive a certificate acknowledging you as IUGS young reporter and an IUGS reporter business card. The best stories will be selected and awarded at the end of each year. If this call caught your attention write us expressing your interest and we will send you detailed information about the format to make the videos and report the news (iugs.socialmedia@gmail.com)

Visit us, subscribe to our channel and like us at:
https://www.youtube.com/@theIUGS/featured

https://www.facebook.com/iugspage

https://www.instagram.com/the_iugs/

Twitter: @theIUGS

Information asymmetries and transparency – the leaking faucet of the mining industry

By: Mary Barton
Principal Geoscientist, Odikwa GeoServices, Namibia

 

Most often, the mining industry is viewed as a social activity with the inherent goal of upgrading the societies in which the mining occurs. This is, in fact, wrong. Mining is an economic activity with the goal of creating profits for the shareholder or the investor.  Apart from investors, mining is closely associated with a core group of stakeholders that play a major role in the success of the venture, namely the government and the community.

Historically, the industry has had a bias towards catering to the needs of the investor. This is because the industry is characterized by many uncertainties and the investors have to safeguard their investment. Geologically, it is impossible to know the exact ore grade and quantity of the deposit until production commences. Commodity prices are also volatile, creating an additional risk factor, which may negatively affect investment and production decisions – an investor has no assurance of the price they will get for their product  and thus no certainty of the expected profits.

The industry is also characterized by high sunk costs and long exploration periods. It is estimated that only about 1 in 1000 exploration projects ever develop into commercially viable mines. Thus, for many exploration projects, most of the money spent is sunk costs – never to be recouped.  For the successful projects, it takes many years before any cash flow is generated from production, and the initial capital outlay recovered. However, although mining is a high-risk venture, it also has potential for high returns. It is this magnitude of potential returns that makes the mining industry stand out prominently among other economic activities. Returns to mining companies can be large, for example, Glencore’s revenue in 2021 was N$3530 billion, compared to Namibia’s GDP of N$ 207 billion in the same year.

This brings into play the government and the host communities. The government acts as a representative of the communities to ensure the responsible development of mineral resources. This includes putting in place laws and policies to guide mining activities, and monitoring compliance with those laws. The government is also responsible for collecting revenue from the extraction of these mineral resources. One of the unique characteristics of the mining industry is that mineral resources are non-renewable – once a deposit is extracted and depleted there is no going back. Each deposit therefore represents a single chance of maximizing the potential and benefit that can be derived from its existence, a short term cash flow, if you will.

In many mineral resource-dependent African countries, it is no secret that government oversight agencies tend to be underskilled and/or under-staffed. The government thus relies on the mineral resource companies to tell them how much ore is in the ground, the quality of that ore and how much they are getting paid for it. This creates a huge information asymmetry to the detriment of the governments. In 2020, the UN report “Tackling Illicit Financial Flows for Sustainable Development in Africa” reported that Africa loses at least N$691 billion a year due to illicit financial flows in the mining industry. Most of this loss is due to under invoicing – for example a company would tell the host country the value of the mined resources is N$500 million, when in fact they are worth N$650 million in the destination country.

The imbalance of information crucial for decision making is made worse by the fact that despite being a major global producer of mineral commodities, there isn’t a single metal exchange in Africa, and apart from SAMREC in South Africa, no country in Africa has a national code for reporting mineral and energy resources to stock exchanges and financial institutions. The importance of reporting codes and stock exchanges should not be underestimated. Reporting codes create an environment to hold those reporting mineral resources accountable. They provide guidelines for reporting and displaying information related to mineral properties and lead to the production of standardized reports.

Stock exchanges are obliged to disclose to the public various aspects of mineral projects. This, in part, mitigates the information imbalance between the industry players and the governments. Additionally, regulators in countries that host stock exchanges have means by which they hold listed companies accountable. For example, this year Glencore was found guilty of bribery and engaging in corruption in a number of African countries. Consequently, the UK and US fined Glencore US$333 million and US$ 1 billion, respectively. It is crucial to note that the countries where the corruption took place will not receive any of this money. Not to mention that the corrupt African counterparts are themselves not held accountable. In the case of Namibia, the exploration and mining sector is made up of various companies/investors – local, foreign, foreign government, Namibian government and joint ventures between the various parties. For companies that are listed, it is relatively easy to find both technical and non-technical details on the companies and their projects.  For all other companies, information available to the public is at the discretion of the company. This includes even information that should by law be made publicly available such as Environmental Management Plans. It is this information vacuum that leads to distorted regulatory oversight, a misinformed and dissatisfied public and inactive local civil society movements.

To address issues such as corruption, information asymmetry and misinvoicing, the Africa Mineral Development Centre (AMDC) has developed an African Mineral and Energy Resources Classification and Management System (AMREC) which is based on the United Nation Framework Classification for Resources.  The development of UNFC-AMREC, together with the Pan-African Resource Reporting Code (PARC), aims not only to ensure a harmonised resource classification and management system across Africa but also to encourage transparency in financial reporting and broader participation of African citizens in the industry. The harmonised, transparent and public availability of resource data and associated deals acts as a corruption deterrent by enabling the public scrutiny of information. Transparency also fosters a trust relationship between the various stakeholders. As opposed to reporting codes that only categorizes economic resources, AMREC has a provision to report uneconomic mineral occurrences. Governments can therefore use AMREC to facilitate mineral resource policy and strategy formulation for sustainable development. The bottom line is this – only when we know what we have, can we determine what it’s worth. Information truly is power.

29th Colloquium of African Geology – 26 – 29 September 2023 | Windhoek, Namibia

CAG29 First Circular (Download the full call:  CAG29)

MESSAGE FROM THE PRESIDENT OF THE GEOLOGICAL SOCIETY OF AFRICA (GSAf)

The Colloquium of African Geology (CAG) is a major biennial meeting, held under the auspices of the Geological Society of Africa, where earth scientist
s from around the globe have the opportunity to present their research on topics of African geology to an international forum of their peers. It also offers an opportunity to initiate, develop and implement projects which promote interaction between Academia, Industry and Society.

The 28th Colloquium of African Geology (CAG28), hosted by Morocco, it was announced that the 29th Colloquium (CAG29) would be hosted by Namibia during the final week of September 2023. The theme of the event will be:

The earth sciences and Africa’s development: current realities, future projections”

The event will be attended by senior and earlycareer earth scientists from government, associations, mineral exploration and mining companies and civil societies, as well as representatives from politics and the media are welcome. Career scientists from African countries and other developing areas are especially encouraged to regard this event as an opportunity to present their research to a wide audience, with participations from different sectors, countries, and continents. Namibia, the host country, boasts an interesting, heterogeneous geology covering some 2.6 billion years of earth history, with a wide
variety of mineral deposits and mineralization styles, that have
contributed and still contributeimmensely to the country’s economy. In addition, Namibia’s impressive geomorphic landscapes have great potential for geotourism, while the host city, Windhoek, is a culturally diverse centre of learning. Academically, the geoscientific sessions and excursions highlighted in this circular and following circulars promise to provide a deeper insight into the multifaceted geological history of the African continent.

I therefore enjoin all geoscientists globally, therefore, to start making plans to attend what will be an interesting and geologically fulfilling event, which will be held in Namibia from September 26th to 29th 2023.

Prof. Olugbenga Okunlola

Rare and overlooked, but mighty: Developing triple oxygen isotopes for the paleoclimate toolkit

Dear all, Kindly make it convenient to attend the Spl lecture to be delivered by Prof. Naomi Levin, on 28th April at India time 6.30 p.m.

 

________________________________________________________________________________

Microsoft Teams meeting

Join on your computer, mobile app or room device Click here to join the meeting<https://teams.microsoft.com/l/meetup-join/19%3ameeting_YjkyNDQyNjUtNTAwOC00OWYxLWFlNGMtZmI1MzVhNTFiZWMw%40thread.v2/0?context=%7b%22Tid%22%3a%2234ce2397-04e6-4dd3-acea-4f3db0cfa1ca%22%2c%22Oid%22%3a%222c2b7aec-244f-42f4-96ef-cf2248e2836b%22%7d>

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Passcode: ExXsz9

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GEO@EAIFR webinar

The East African Institute for Fundamental Research (EAIFR) and the International Centre for Theoretical Physics (ICTP) wish to inform those who may be interested of a GEO@EAIFR webinar. This seminar will take place on April 18, 2023 and will be broadcast live on ZOOM. It will also be recorded and later posted on the ICTP-EAIFR YouTube channel, where one can find the previous recorded GEO@EAIFR webinars. Below all the details:

Speaker: David Bercovici, Frederick William Beinecke Professor of Earth and Planetary Sciences, Yale University, USA.

Title: Generation of plate tectonics from grain to global scale.

When: April 18, 2023 at 16:30 (Kigali time).

Register in advance for this meeting by clicking here.

Biography:

David Bercovici received his BS in Physics from Harvey Mudd College (1982) and his PhD in Geophysics and Space Physics from UCLA (1989). After a postdoctoral fellowship at the Woods Hole Oceanographic Institution (1989-1990), he joined the faculty at the University of Hawaii (1990-2000).  He moved to Yale in 2001 and has been there ever since as Professor and  Chair  (twice: 2006-2012, 2018-2021).  He is currently now the co-director of the Yale Center for Natural Carbon Capture (since 2021).  Bercovici received the Macelwane Medal from the American Geophysical Union (AGU), along with AGU Fellowship in 1996, and the EGU Love Medal in 2022.  He is a member of the U.S. National Academy of Sciences (2018) and the American Academy of Arts and Sciences  (2015).  He is the author of the (semi-)popular science book “The Origins of Everything in 100 Page (More or Less)” (Yale Press, 2016).  His research is broadly in planetary physics and geophysical fluid dynamics.

Abstract:

The physics of rock deformation in the lithosphere governs the formation of tectonic plates, which are characterized by strong, broad plate interiors, separated by weak, localized plate boundaries. The size of mineral grains in particular controls rock strength, and grain-reduction can lead to shear localization and weakening in the strong ductile portion of the lithosphere. Grain damage theory describes the competition between grain growth and grain size reduction as a result of deformation, and the effect of grain size evolution on the rheological properties of lithospheric rocks. The self-weakening feedback predicted by grain damage theory can explain the formation of mylonites, typically found in deep ductile lithospheric shear zones, which are characteristic of localized tectonic plate boundaries. The amplification of damage is most effective when mineralogical phases, like olivine and pyroxene, are well mixed on the grain scale. Grain mixing theory predicts two co-existing deformation states of unmixed materials undergoing slow strain-rate, and well-mixed materials with large strain-rate; this is in agreement with recent laboratory experiments, and is analogous to Earth’s plate-like state.

All are very welcome.

Joint Conference: International Dyke Conference (IDC 8)-Large Igneous Provinces (LIPs 8)-Rodinia 2023

conf

conference website: https://marrakech.sciencesconf.org/

(dates 29th May to 16th June 2023 in Morocco

(timing includes both pre- mid- and post-conference field trips)

Lead organizer: Prof. Nasrrddine YOUBI

 Co-Lead organizer: Prof. Hassan IBOUH

 

Conference History

 International Dyke Conference (IDC 8)

The Eighth International Dyke Conference (IDC8) will concentrate on mafic dyke swarms and related igneous associations, e.g., sills, kimberlites, syenites, carbonatites, volcanics, etc., with a special emphasis on paleogeographic reconstruction based on geological comparison and paleomagnetic studies. The IDC8 continues the every-five-year tradition started in Toronto, Canada in 1985 by Prof. Henry C. Halls (University of Toronto). Subsequent IDCs were held in Australia (1990), Israel (1995), South Africa (2001), Finland (2006), India (2010), and China (2016).

Large Igneous Provinces (LIPs 8)

The Large Igneous Provinces conference series was launched in 2007 in Novosibirsk, Siberia, Russia by Prof. Alexander Borisenko and colleagues, and continued in 2009 – Novosibirsk, Russia; 2011 – Irkutsk, Russia; 2013 – Hanoi, Vietnam; 2015 – Irkutsk, Russia; 2017 – Chengdu, China- Tomsk, Russia; 2019. The early conferences (2007-2015) were focused on the LIP record of Asia, but the Tomsk and the current focus is more global. The Eighth LIPs conference will again cover all aspects of this rapidly expanding field.

Rodinia 2023

The Rodinia conference series began in the form of Tectonics Special Research Centre symposia (1998-2005) that morphed into dedicated Rodinia conferences in Edinburgh, Scotland (2009); Moscow, Russia (2013); and Townsville, Australia (2017). The planned Rodinia meeting herein will continue this tradition and join forces with the other conference series noted above.

West African Craton’s magmatic and tectonic legacy, 2 Ga to present

The last decade has revealed West African craton as a key witness to long-term magmatic and tectonic processes, occupying important locations within ancient supercontinents. Consolidated in the Eburnean tectonic event of ca. 2.0 Ga, the craton was long thought to be devoid of significant igneous and tectonic activity until Pan-African orogenesis 1500 million years later. However, numerous ca. 1.7-1.4 Ga mafic dyke swarms have now been dated by U-Pb on zircon and baddeleyite, both in northern and southern regions of the craton; these swarms may be related to protracted breakup of the Nuna supercontinent. In addition, craton-wide ca. 0.9-Ga mafic magmatism could be related to the Rodinia supercontinent cycle. Lacking direct records of late Mesoproterozoic (“Grenvillian”) orogenesis, West African craton has typically been relegated to the outer periphery of Rodinia reconstructions, but recent documentation of Mesoproterozoic detrital zircons within autochthonous cover strata suggests some proximity to Rodinia-forming orogens.

Within the post-Rodinia era, West African craton’s margins were all reworked by the ca. 0.6-0.5-Ga Pan-African orogeny, coeval with multiple episodes of glaciation and the widespread Ouarzazate (Peri-Lapetus Magmatic Province) LIP. The Pan-African interval can be viewed either as a culmination of Pannotia supercontinent amalgamation, or a subsidiary step toward eventual Pangea assembly at ca. 0.3 Ga. Northern regions of the craton are directly affected by that Hercynian orogenesis. Breakup of Pangea is spectacularly documented by Central Atlantic Magmatic Province (CAMP) magmatism and rift-related sedimentation at ca. 0.2 Ga. At present, post-Alpine subduction has migrated westward to the Strait of Gibraltar, perhaps initiating subduction within the Atlantic realm that will close interior oceans on the way to to the next future supercontinent. “ Super Pangea” at the next 2.5 Ga

In celebration of all these diverse geological records, spectacular rock exposure, fascinating culture, and friendly people, we invite you to join us in the “Geological Paradise” of Morocco in 2023! 

 

Contacts and Correspondence for scientific information:

-Nasrrddine YOUBI, (youbi@uca.ac.ma ) Director of DLGR Lab Cadi Ayyad University, Faculty of Sciences-Semlalia, Department of Geology, P.O. Box 2390, Marrakech 40000, Morocco. Phone: + 212 – (524) 43 46 49. Extension 516. GSM (Office): + 212 (0654) 477 796. Fax: + 212- (524) – 43 67 69.

-Hassan IBOUH, (h.ibouh@uca.ac.ma ) L3G Lab, Cadi Ayyad University, Faculty of Sciences & Technoloques, Guéliz Bd.  A. Khattabi, BP 549, Marrakech 40 000 Phone: + 212 (524) 43 31 63 (poste 424) Fax: + 212 (524) 43 31 70.

-Richard E., ERNST (Richard.Ernst@ernstgeosciences.com ), Phone: + 1-613-295-7955) Scientist in Residence, Dept. of Earth Sciences, Carleton University, Herzberg Building 1125 Colonel By Drive, Ottawa, Canada K1S 5B6.

– David EVANS, (david.evans@yale.edu), Phone: + 1 (203) 640-5726

Department of Earth & Planetary Sciences, Yale University, 210 Whitney Ave, New Haven CT 06511, USA.

– Zheng-Xiang LI (Z.Li@exchange.curtin.edu.au), Phone : + 61 8 9266 2453, School of Earth and Planetary Sciences (EPS), Faculty of Science and Engineering, Curtin University, Australia.

29th Colloquium of African Geology – September 26th to 29th , 2023

cag1

29th Colloquium of African Geology (https://cag29gsaf.org/)

The Colloquium of African Geology (CAG) is a major biennial meeting organized under the auspices of the Geological Society of Africa (GSAf). Professor W. Q. Kennedy, assisted by Dr. Tom Clifford, convened the very first CAG at the University of Leeds, England, in March 1964. There was a pulse of excitement that electrified the assembled audience from Africa, Europe, North and South America, Australia and New Zealand when Prof. Kennedy announced his new concept of a ‘Pan-African thermo-tectonic event’.

Since then, there have been 28 events, 18 of which were held in Europe, and only 10 in Africa, specifically in South Africa, Ethiopia, Tanzania, Nigeria, Swaziland, Zimbabwe, Morocco(twice), Mozambique and Tunisia.

With the inspiring theme “The earth sciences and Africa’s development: current realities, future projections”, CAG29 will be held at the Safari Hotel Conference Centre, Windhoek, from September 26th to 29th , 2023. At this stage of the organization, the LOC is calling for abstracts, as well as proposals of sessions and conveners, workshops, short courses, exhibitions, and more field trips. The Second Circular, to be released by 15 April 2023, will give details of the Colloquium’s scheduled activities.

Message from the President of the Geological Society of Africa

The Colloquium of African Geology (CAG) is a major biennial meeting organized under the auspices of the Geological Society of Africa (GSAf), where earth scientist globally have the opportunities to present their research results on topics related to Africa and surroundings areas on a continental and international scale . It also affords the incubation, generation and execution of initiatives that lead to interaction between the Academia, Industry and the Society.
The 28th Colloquium of African Geology (CAG28), hosted by Morocco, it was announced that the 29th Colloquium (CAG29) would be hosted by Namibia during the final week of September 2023. The theme of the event will be:

“The earth sciences and Africa’s development: current realities, future projections”

The event will be attended by senior and early-career earth scientists from government, associations, mineral exploration and mining companies and civil societies, as well as representatives from politics and the media are welcome. Career scientists from African countries and other developing areas are especially encouraged to regard this event as an opportunity to present their research to a wide audience, with participations from different sectors, countries, and continents. Namibia, the host country, boasts an interesting, heterogeneous geology covering some 2.6 billion years of earth history, with a wide variety of mineral deposits and mineralization styles, that have contributed – and still contribute-immensely to the country’s economy.

In addition, Namibia’s impressive geomorphic landscapes have great potential for geotourism, while the host city, Windhoek, is a culturally diverse centre of learning. Academically, the geoscientific sessions and excursions highlighted in this circular and following circulars promise to provide a deeper insight into the multi-faceted geological history of the African continent.

I therefore enjoin all geoscientists globally, to start making plans to attend what will be an interesting and geologically fulfilling event, which will be held in Namibia from September 26th to 29th 2023

Prof. Olugbenga Okunlolagbengaokunlola@yahoo.co.uk

Message from the Chairperson of the Organizing Committee

It is a great pleasure to invite you all to Namibia to take part in the 29th Colloquium of African Geology (CAG29). The Local Organizing Committee and the National and International Scientific Committee, with support from various sponsors, will endeavour to put together a program that does justice to this year’s theme “The earth sciences and Africa’s development: current realities, future projections”.

Hosting CAG29 in Namibia gives us a unique chance to showcase our country’s spectacular geology to Africa and the rest of the world, as well as to raise Namibia’s visibility as a premium geoscience destination.

For you, attendance of CAG29 may present a once-in-a-lifetime opportunity to come to the beautiful city of Windhoek and participate in an exciting scientific program covering the breadth of the geosciences, experience fascinating geological features in the field, network with the international geoscience community, or to hold business meetings in a congenial and relaxed setting. Whether you are from industry, government or academia, you will find a full and interesting program at CAG29. This First Circular provides important information to assist delegates planning their participation in CAG29. The full schedule will be announced in the second circular. Preliminary field trip information is also available in this circular.

The appreciation of the Organizing Committee goes to the many members of the geoscientific community around the world who have shown interest in this prestigious event over the past years and decades. It is our hope that you will be able to join us for the 29th Colloquium of African Geology and we look forward to welcoming you in Windhoek in September of 2023. While many of you will be no strangers to Namibia, we venture to suggest that our multihued country may still have some new aspects to offer – geologically and otherwise!

Mrs. Anna Nguno Anna.Nguno@mme.gov.na / cag29.whk@gmail.com